Finding the Fourth Proportional to 1,036.01, 1,551.98 and 688.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.01 : 1,551.98 = 688.32 : x
2. Step 2: Convert to fraction form
   1,036.01/1,551.98 = 688.32/x
3. Step 3: Cross multiply
   1,036.01x = 1,551.98 × 688.32
4. Step 4: Simplify right side
   1,036.01x = 1,068,255.43
5. Step 5: Solve for x
   x = 1,068,255.43/1,036.01
6. Step 6: Final answer
   x = 1,031.13